13243013 has 4 divisors (see below), whose sum is σ = 15134880. Its totient is φ = 11351148.

The previous prime is 13243001. The next prime is 13243031. The reversal of 13243013 is 31034231.

It is a happy number.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 13243013 - 2⁴ = 13242997 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 13242982 and 13243000.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13243033) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 945923 + ... + 945936.

It is an arithmetic number, because the mean of its divisors is an integer number (3783720).

Almost surely, 2^13243013 is an apocalyptic number.

It is an amenable number.

13243013 is a deficient number, since it is larger than the sum of its proper divisors (1891867).

13243013 is an equidigital number, since it uses as much as digits as its factorization.

13243013 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1891866.

The product of its (nonzero) digits is 216, while the sum is 17.

The square root of 13243013 is about 3639.0950798241. The cubic root of 13243013 is about 236.5895737351.

Adding to 13243013 its reverse (31034231), we get a palindrome (44277244).

The spelling of 13243013 in words is "thirteen million, two hundred forty-three thousand, thirteen".